Finding the Fourth Proportional to 53,304.28, 79,957.50 and 13,859.08
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Solution
The fourth proportional to 53,304.28, 79,957.50 and 13,859.08 is: 20,788.90
Step by Step Solution
- Step 1: Write the proportion equation
53,304.28 : 79,957.50 = 13,859.08 : x - Step 2: Convert to fraction form
53,304.28/79,957.50 = 13,859.08/x - Step 3: Cross multiply
53,304.28x = 79,957.50 × 13,859.08 - Step 4: Simplify right side
53,304.28x = 1,108,137,389.10 - Step 5: Solve for x
x = 1,108,137,389.10/53,304.28 - Step 6: Final answer
x = 20,788.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.